Electrostatic capacitance detection device

Details Electrostatic capacitance detection device Electrostatic capacitance detection device

2006-10-24

2006-10-24

Williams, Hezron (Department: 2856)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C324S457000

Reexamination Certificate

active

07126350

ABSTRACT:
Aspects of the invention can provide an electrostatic capacitance detection device having M number of row lines and N number of column lines arranged in a matrix of M rows and N columns, and an electrostatic capacitance detection element formed at the intersection thereof. The electrostatic capacitance detection element can include a signal detection element, a signal amplifying element and a column selection element and a row selection element. The signal detection element can include a capacitance detecting electrode, a capacitance detecting dielectric layer, and a reference capacitor. One of a pair of electrodes in the reference capacitor is coupled to the row line. Accordingly, the invention can achieve a superior electrostatic capacitance detection device.

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